Flextron FTGF-38M38 Gas Connector Adpater Fitting with 3/8 Inch Outer Diameter Flare Thread x 3/8 Inch MIP (TAPPED 1/4 Inch), Uncoated Stainless Steel, for Log & Space Gas Connectors Made of Stainless Steel Construction; Steel with Corrosion Resistant Coating Use with 3/8" Outer Diameter Flare x 3/8" MIP( TAPPED 1/4" ) Gas Connectors For Log & Space Gas Connectors (FTGC-14 SERIES); Use with PTFE Threads Sealant Tape for Airtight Connections Rated Pressure: CSA Certified up to 0.5 psi; Rated Operating Temperature: -40Fahrenhiet to 150Fahrenhiet Suitable for Indoor and Outdoor Stationary Gas Appliances; CSA Approved and Certified